> xAuth in this case, I think, is unrelated to the issue. If you can use
> a different key and use the "my token" feature to get your access
> token, then try to tweet using that token, it will sufficiently
> express the problem I think.

> Taylor

> On Jun 11, 2010, at 2:48 PM, Craig <chanson9...@gmail.com> wrote:

> > Hello,

> > I have an iphone app that is using xauth.  I am able to obtain the
> > access token with no problem at all.  When I go to post a status
> > update, I receive an invalid / used nonce error.  It can't actually be
> > a used nonce since I have checked this multiple times.  Here are the
> > details of the post:

> > url:
> >http://api.twitter.com/1/statuses/update.xml

> > signature base string:
> > POST&http%3A%2F%2Fapi.twitter.com%2F1%2Fstatuses
> > %2Fupdate.xml&oauth_consumer_key%3Dmyconsumerkey%26oauth_nonce
> > %3D397vi5Ug1YHC3UAVUAoB%26oauth_signature_method%3DHMAC-
> > SHA1%26oauth_timestamp%3D1276292596%26oauth_token%3Dmytoken
> > %26oauth_version%3D1.0%26status%3Dmy%2520tweet

> > Authorization header:
> > OAuth oauth_nonce="397vi5Ug1YHC3UAVUAoB", oauth_signature_method="HMAC-
> > SHA1", oauth_timestamp="1276292596",
> > oauth_consumer_key="myconsumerkey", oauth_token="mytoken",
> > oauth_signature="yOh2zQPGDBlVEP5cDWhjddQWTLc%3D", oauth_version="1.0"

> > Content-Type:
> > [request setValue:@"application/x-www-form-urlencoded"
> > forHTTPHeaderField:@"Content-Type"];

> > I can see no reason why this shouldn't work.  Any help would be
> > greatly appreciated!

> > Thanks,
> > Craig